DNA Dynamics under Turbulent Flow | Zendy

Lim Sung Taek | Zendy; Hong Cheng Hai | Zendy; Choi Hyoung Jin | Zendy

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DNA Dynamics under Turbulent Flow

Author(s) -

Lim Sung Taek,

Hong Cheng Hai,

Choi Hyoung Jin

Publication year - 2007

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.200750422

Subject(s) - turbulence , drag , dna , flow (mathematics) , mechanics , spermidine , materials science , physics , chemistry , biochemistry , enzyme

Using high molecular weight DNAs ( λ ‐and calf‐thymus (CT) DNAs), we investigated their flow characteristics under turbulence in a rotating disk geometry. By putting emphasis on the effect of CT‐DNA concentration, its turbulent drag reduction (DR) characteristics were compared with that of λ ‐DNA based on both DR efficiency and mechanical degradation under turbulence. Addition of spermidine into the turbulent flow as a condensing agent showed abrupt change of the DR efficiency of λ ‐DNA in a turbulent flow.

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